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Проект #1

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Shahidow Jun 4, 2023
82bf590
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Shahidow Jun 4, 2023
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84 changes: 81 additions & 3 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,84 @@

import java.util.ArrayList;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
System.out.println("На скольких человек необходимо разделить счёт?");
while(true) {
Scanner sc = new Scanner(System.in);
if(sc.hasNextInt()) {
int qty = sc.nextInt();
if (qty>1) {
Calculator unit = new Calculator();
unit.qty = qty;
unit.input();
break;
}
}
System.out.println("Ошибка! Повторите ввод!");
}
}
}
}
class Calculator{

@kirillNay kirillNay Jun 4, 2023

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⏫ Желательно все классы держать в разных файлах, чтобы было проще ориентироваться внутри одного файла

ArrayList<String> list = new ArrayList<>();
int qty;
double price=0;

private double price() {
double inputPrice;
while(true){
Scanner sc = new Scanner(System.in);
if(!sc.hasNextDouble()) {
System.out.println("Ошибка! Не числовое значение! Повторите ввод!");
} else {
inputPrice = sc.nextDouble();
if(inputPrice<=0) {
System.out.println("Ошибка! Некорректная цена! Повторите ввод!");
} else {
price += inputPrice;
break;
}
}
}
return price;
}

private String declension(double sum) {
sum = Math.floor(sum);
for(int i=11; i<=14; i++) {
if ((sum - i) % 100 == 0) {
return " рублей.";
}
}
if(sum%10 ==1) {
return " рубль.";
} else if(sum%10 ==2 || sum%10==3 || sum%10== 4) {
return " рубля.";
}
return " рублей.";
}

public void input() {
double inputSum, sum;
while(true) {
Scanner sc = new Scanner(System.in);
System.out.println("Введите название товара:");
String product = sc.nextLine();
System.out.println("Введите цену товара:");
inputSum = price();
list.add(product);
System.out.println("Товар добавлен!\nХотите добавить ещё один товар?");
String answer = sc.next();
if (answer.equalsIgnoreCase("завершить")) {
break;
}
}
System.out.println("Добавленные товары:");
for(int i=0; i<list.size(); i++){
System.out.println(list.get(i));
}
sum = inputSum/qty;
String rub = declension(sum);
String result = String.format("%.2f", sum);
System.out.println("Счет на каждого человека: " + result + rub);
}
}